<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app-1">
    <todo>
        <todo-title slot="todo-title" v-bind:title="title"></todo-title>
        <todo-items slot="todo-items" v-for="item in items" v-bind:item="item"></todo-items>
    </todo>
</div>


<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script type="text/javascript">
    //定义一个组件
    Vue.component("todo",{
        template: '\
            <div>\
                <slot name="todo-title"></slot>\
                    <ul>\
                    <slot name="todo-items"></slot>\
                    </ul>\
            </div>\
        '
    });

    Vue.component("todo-title",{
        props: ['title'],
        template: '<div>{{title}}</div>'
    });

    Vue.component("todo-items",{
        props: ['item'],
        template: '<li>{{item}}</li>'
    });

    let app = new Vue({
        el: '#app-1',
        data: {
            title:'寒风',
            items:['Java','Linux','前端']
        }
    })


</script>
</body>
</html>